1 files changed, 61 insertions, 0 deletions
diff --git a/idl/inc/hash.hxx b/idl/inc/hash.hxx
new file mode 100644
index 000000000..6bc904133
--- /dev/null
+++ b/idl/inc/hash.hxx
@@ -0,0 +1,61 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_IDL_INC_HASH_HXX
+#define INCLUDED_IDL_INC_HASH_HXX
+
+#include <rtl/string.hxx>
+#include <tools/solar.h>
+#include <unordered_map>
+#include <memory>
+#include <utility>
+
+class SvStringHashEntry
+{
+    OString     aName;
+    sal_uLong   nValue;
+public:
+    SvStringHashEntry( OString aName_ )
+        : aName(std::move(aName_))
+        , nValue(0)
+    {
+    }
+
+    const OString&  GetName() const { return aName; }
+
+    void            SetValue( sal_uLong n ) { nValue = n; }
+    sal_uLong       GetValue() const { return nValue; }
+};
+
+class SvStringHashTable
+{
+    std::unordered_map<sal_uInt32, std::unique_ptr<SvStringHashEntry>> maInt2EntryMap;
+    std::unordered_map<OString, sal_uInt32> maString2IntMap;
+    sal_uInt32 mnNextId = 0;
+
+public:
+    SvStringHashEntry * Insert( OString const & rElement, sal_uInt32 * pInsertPos );
+    bool Test( OString const & rElement, sal_uInt32 * pInsertPos );
+    SvStringHashEntry * Get( sal_uInt32 nInsertPos ) const;
+    OString GetNearString( std::string_view rName ) const;
+};
+
+#endif // INCLUDED_IDL_INC_HASH_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */